JPH10295A - Clothes dryer - Google Patents

Abstract

(57) [Summary] [PROBLEMS] To prevent water from leaking from a hooked portion of a folded part of a drum body in a case where a buffer sheet is attached to an inner surface of a drum. SOLUTION: A drum 1 is bent by bending a band-like material into a cylindrical shape and engaging folded portions 34, 35 at both ends thereof.
2, the folded portions 34, 35 of which the folded portion 34a of the inwardly folded portion 34 has the folded portion 35a of the portion 35 which has been folded outward.
a so as to be positioned on the lower side in the rotation direction A of the drum 12 with respect to
The water accumulated at the lowermost portion of the body 15 due to condensation during the rotation of the drum 12 is generated by the turning portions 34 and 3 of the body 15 as the drum 12 rotates.
5 so that it does not intrude into the engagement portion.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a clothes dryer having a drum type and a buffer sheet attached to the inner surface of the drum.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 8, a drum-type clothes dryer is provided with a buffer sheet 2 made of, for example, a synthetic resin attached to the inner surface of a drum 1. This device has an advantage that the cushioning sheet 2 prevents a hard object such as a button or a fastener of the clothing to be dried from hitting the metal drum 1 for heat resistance, thereby enabling a quiet operation.

[0003] On the other hand, the drum 1 is formed by bending a body 3 from a band-like material into a cylindrical shape and engaging the folded portions 4 and 5 at both ends thereof. The turning portion A of the drum 1 is turned from the turning portion 5a of the portion 5 where the turning portion 4a of the portion 4 turned outward.
Is located on the upper side (right side in the figure).

[0004]

In the case of the above-mentioned conventional apparatus, the inside of the drum 1 is in a high humidity state during operation, and is cooled from the outside of the drum 1 so that the space between the drum 1 and the buffer sheet 2 is formed. , And the water drops accumulate at the bottom of the drum 1 as shown in FIG. Then, as the drum 1 continues to rotate in this state, the accumulated water penetrates into the portion where the folded portions 4 and 5 of the drum body 3 are hooked, as shown in FIG. It leaks out of the drum 1 as shown in c). As a result, there is a possibility that the inside of the machine will be wetted, and further, the inside of the machine will go out of the machine to wet the floor surface outside the machine.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned circumstances, and an object of the present invention is to provide a clothes dryer which does not cause a problem of water leakage from a hooked portion of a folded portion of a drum body. is there.

[0006]

In order to achieve the above object, in a clothes dryer according to the present invention, a drum for containing clothes to be dried and being dried by being rotated in one direction is formed by a belt-like material having a cylindrical shape. The body is formed by bending the shape of the body and engaging the folded portions of both ends thereof, and an end plate connected to the opening of the body, and a buffer sheet is provided at least on the inner surface of the body of the drum. Wherein the folded portion of the fuselage is engaged so that the folded portion of the portion folded inward is located on the lower side in the drum rotation direction from the folded portion of the portion folded outward. And According to this configuration, the water accumulated at the lowermost portion of the drum does not enter the hooked portion of the folded portion of the drum body as the drum rotates.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a first embodiment of the present invention will be described with reference to FIGS. First, FIG. 2 shows a configuration of the entire clothes dryer, in which a drum 12 is accommodated in an outer box 11 and fixed to a front support plate 13 fixed to a front portion of the outer box 11 and fixed to a rear portion of the outer box 11. After that, the drum 12 is rotatably supported by the support plate 14. Drum 12
Specifically, it comprises a cylindrical metal body 15, a metal front end plate 16 connected to an axial front end opening thereof, and a metal rear end plate 17 connected to a rear end opening thereof. ,
The front end plate 16 is supported by the front support plate 13 through an opening 18 formed in the front end plate 16, and the rear end plate 17 is supported by a shaft 19 projecting rearward from the center of the front end plate 16.
It is supported at.

In the front part of the outer box 11, there is formed a garment entrance 20 which communicates with the inside of the drum 12, and the entrance 2
A door 21 that opens and closes 0 is pivotally provided. On the other hand, a fan casing 23 is formed solely by the rear support plate 14 and the back plate 22 at the rear portion of the outer case 11.
A fan 24 is accommodated inside 3 and is rotatably supported by a shaft 25.

The fan 24 is rotationally driven via a belt 27 by a motor 26 disposed on the inner bottom of the outer box 11, whereby the air in the drum 12 is suctioned through a lint filter 28. With
It has a rear wing portion 24b that sucks outside air through the back plate 22. The rear wing portion 24b exchanges heat between the air inside the drum 12 and the outside air, thereby dehumidifying the air inside the drum 12. I have. Then, the dehumidified drum 1
The air inside 2 is guided to the front of the drum 12 by a duct (not shown), and is heated again by a heater (not shown) to be warmed and supplied back into the drum 12.

The motor 26 is of a double-shaft type, and rotates the drum 12 in one direction indicated by an arrow A via a belt 29 on the other side of the shaft as shown in FIG.
The belt 29 is given a predetermined tension by a tension pulley 30. The inner surfaces of the body 15 of the drum 12 and the inner surface of the rear end plate 17 are provided with buffer sheets 31 and 32 made of, for example, a synthetic resin.
5 has a baffle 3 for stirring the clothes to be dried.
3 is attached to a plurality of locations.

FIG. 4 shows the body 15 of the drum 12.
In the state of the manufacturing stage. As shown in FIG. 4, the body 15 of the drum 12 is made of a band-shaped material 15 a, and one end (the left side in the figure) is folded inward to form a folded portion 34, and the other (FIG. 4). The end portion (middle right side) is folded outward to form a folded portion 35. The belt-like material 15a is bent into a cylindrical shape, and the folded portions 34 and 35 are engaged with each other to form the body 15.

FIG. 5 shows the folded portion 34 of the body 15,
35 shows an engagement portion. As shown in FIG.
The folded portions 34 and 35 of the body 15 are such that the folded portion 34a of the inwardly folded portion 34 is lower than the folded portion 35a of the outwardly folded portion 35 in the rotation direction A of the drum 12 (left side in the figure). It is hooked so that it is located in. Further, on the upper side (right side in the drawing) of the rotation direction A of the drum 12 from the engagement portion of the inwardly folded portion 34, the folded portion 35a of the portion 35 which is further gently raised from the upper side and outwardly folded. And a raised portion 36 having a height substantially equal to that of the raised portion is formed in advance. Further, holes 37, 38, 39, and 40 are formed in advance in the folded portions 34, 35 and the corresponding portions of the body 15.

The front end plate 16 and the rear end plate 17 are fitted to the body 15 thus formed, a buffer sheet 32 is provided on the inner surface of the rear end plate 17, and a buffer sheet 31 is provided on the inner surface of the body 15. The front end plate 16 and the rear end plate 17
Are caulked and connected as shown by caulking portions 41 in FIG. The caulking portion 41 only shows caulking between the body 15 and the rear end plate 17, but caulking between the body 15 and the front end plate 16 is performed in the same manner.

Thereafter, the buffer sheet 31 is slid so that both ends thereof are positioned so as to sandwich the hooked portions of the folded portions 34 and 35 as shown in FIG. At this time, the buffer sheet 31 is prevented from being hooked on the folded portion 35a of the portion 35 folded outward by the raised portion 36 of the body 15, and is smoothly slid. Then, one baffle 33 is applied to both ends of the buffer sheet 31 from a portion where the folded portions 34 and 35 are engaged, and then,
A screw 42, which is a fastening member, is passed through the holes 37, 38, 39, and 40 of the folded portions 34 and 35 and the corresponding portions of the body 15 from the outside (the lower part in FIG.
The baffle 33 is fixed while the folded portions 34 and 35 are screwed into the support portion 33a.

Next, the operation of the above configuration will be described. During the drying operation, the fan 24
Is rotated as described above, and the drum 12 is also rotated. Thus, in a situation where the clothes to be dried contained in the drum 12 are stirred by the rotation of the drum 12, warm air is supplied into the drum 12, and the clothes to be dried are gradually dried.

During the drying operation, the inside of the drum 12 is in a highly humid state due to the moisture radiated from the clothes to be dried.
2 body 15 and buffer sheet 31 attached to the inner surface of the body 15
And between the rear end plate 17 and the buffer sheet 32 attached to the inner surface of the rear end plate 17, and water drops accumulate at the lowermost portion of the body 15. Then, as the drum 12 continues to rotate in this state, the accumulated water reaches the portion where the folded portions 34 and 35 of the body 15 are engaged.

However, in the case of this construction, there is no overlapped portion where the accumulated water reaches the end of the portion where the folded portions 34 and 35 of the body 15 are easily penetrated. Even if it enters from the portion 43 (see FIG. 1) almost in contact with the raised portion 36 of the portion, it will be returned into the drum 12 as the rotation of the drum 12 proceeds, and it will be Do not leak. The water remaining on the drum 12 is the drum 1
At the temperature of the hot air continuously supplied to 2, the fuel vapor evaporates completely and disappears. Thus, if the inside of the machine outside the drum 12 is not wetted, it goes out of the machine to the outside and wets the floor surface outside the machine. There is no such thing.

In addition, especially in the case of the above-mentioned structure, the bumping portion 36 of the drum body 15 allows the buffer sheet 31 to slide smoothly without being caught by the folded portion 35a of the portion 35 folded outward. Workability can be improved. Further, screws 42 serving as fastening members are inserted into the folded portions 34 and 35 of the drum body 15 to fasten the engagement portions thereof.
2 can be improved in airtightness. And the screw 4
Numeral 2 is for attaching the baffle 33 to the drum 12 and can be shared, so that no additional parts are required and the cost can be reduced.

FIG. 7 shows a second embodiment of the present invention, in which the folded portions 34, 3 of the drum body 15 are shown.
In FIG. 5, a dedicated fastening member, for example, a snap pin 44 is inserted to fasten the engaging portion thereof. Even in this case, the airtightness of the drum 12 is increased. Thus, the same effect as described above can be obtained.

In addition, the present invention is not limited to the embodiment described above and shown in the drawings. In particular, the buffer sheets 31 and 32 are provided on the inner surface of the body 15 of the drum 12. 31 may be provided, and the method of supplying hot air is not limited to the circulation type as described above, but may be a type in which hot air blows through the drum 12. The present invention can be appropriately changed and implemented without departing from the scope.

[0021]

The present invention is as described above.
The following effects are obtained. According to the clothes dryer of claim 1,
There is no problem of water leakage from the hooked portion of the folded portion of the drum body, and it is possible to prevent the inside of the machine outside the drum and the floor surface outside the machine from being wet. According to the clothes dryer of the second aspect, the slide of the buffer sheet can be smoothly performed without being caught on the folded portion of the portion folded outside the drum body, and the workability of assembling can be improved.

According to the clothes dryer of the third aspect, the folded portion of the drum body can be tightened to increase the airtightness of the drum. According to the clothes dryer of the fourth aspect, the folded portion of the drum body can be tightened by using a part for attaching the baffle, and the cost can be reduced.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional front view of a main part showing a first embodiment of the present invention.

FIG. 2 is an entire longitudinal side view showing a part in a broken state.

FIG. 3 is an overall front view.

FIG. 4 is a perspective view of a drum body in a manufacturing stage.

FIG. 5 is a longitudinal sectional front view of a main part in a manufacturing stage.

FIG. 6 is a longitudinal sectional side view of a part of a connection portion between a drum body and a rear end plate.

FIG. 7 is a view corresponding to FIG. 1, showing a second embodiment of the present invention;

FIG. 8 is a diagram corresponding to FIG. 1 showing a conventional example.

FIG. 9 is a schematic longitudinal sectional side view of a drum portion showing the disadvantages of the conventional example in the order of operation of (a), (b), and (c).

[Explanation of symbols]

12 is a drum, 15 is a body, 15a is a strip, 16 is a front end plate, 17 is a rear end plate, 26 is a motor, 29 is a belt, 3
Numerals 1 and 32 denote a buffer sheet, 33 denotes a baffle, 34 denotes an inwardly folded portion, 34a denotes a folded portion, 35 denotes an outwardly folded portion, 35a denotes a folded portion, 36 denotes a raised portion, and 42 denotes a screw (fastening member). , 44 are snap pins (fastening members), and A is the direction of rotation of the drum.

Claims (4)

[Claims] A body formed by bending a belt-shaped material into a cylindrical shape and engaging the folded portions at both ends thereof, wherein a drum that stores the clothes to be dried and is rotated by rotating in one direction; An end plate connected to the opening of the drum, and a buffer sheet is attached to at least the inner surface of the body of the drum.
A clothes dryer characterized in that the inside of the folded part is folded so that the folded part is located on the lower side in the drum rotation direction from the folded part of the part folded outside. 2. A raised portion having a height substantially equal to the height of the folded portion facing the folded portion of the outer portion of the drum body in the upper portion of the drum body in the direction of rotation of the drum. The clothes dryer according to claim 1, wherein the clothes dryer is formed. 3. The clothes dryer according to claim 1, wherein a tightening member for tightening the engaging portion is inserted into the folded portion of the drum body. 4. The clothes dryer according to claim 3, wherein the fastening member is a screw that also serves to attach the baffle.